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Shape and efficiency of wood ant foraging networks
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2009 (English)In: Behavioral Ecology and Sociobiology, ISSN 0340-5443, E-ISSN 1432-0762, Vol. 63, no 3, 451-460 p.Article in journal (Refereed) Published
Abstract [en]

We measured the shape of the foraging trail networks of 11 colonies of the wood ant Formica aquilonia (Formica rufa group). We characterized these networks in terms of their degree of branching and the angles between branches, as well as in terms of their efficiency. The measured networks were compared with idealized model networks built to optimize one of two components of efficiency, total length (i.e., total amount of trail) and route factor (i.e., average distance between nest and foraging site). The analysis shows that the networks built by the ants obtain a compromise between the two modes of efficiency. These results are largely independent of the size of the network or colony size. The ants' efficiency is comparable to that of networks built by humans but achieved without the benefit of centralized control.

Place, publisher, year, edition, pages
2009. Vol. 63, no 3, 451-460 p.
Keyword [en]
Networks, Trunk trails, Ants, Formica
National Category
Biological Sciences
URN: urn:nbn:se:uu:diva-129279DOI: 10.1007/s00265-008-0680-7ISI: 000261955100015OAI: oai:DiVA.org:uu-129279DiVA: diva2:342771
Available from: 2010-08-11 Created: 2010-08-10 Last updated: 2010-08-11Bibliographically approved

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